How severe is CVE-2015-6822?

CVE-2015-6822 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-6822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6822?

CVE-2015-6822 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-6822 published?

CVE-2015-6822 was published on 2015-09-06 and last updated on 2026-06-17.

CVE-2015-6822

CVE-2015-6822 is a high-severity vulnerability in Ffmpeg with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-17.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-17
Affected product: Ffmpeg
Published: 2015-09-06
Last modified: 2026-06-17

Description

The destroy_buffers function in libavcodec/sanm.c in FFmpeg before 2.7.2 does not properly maintain height and width values in the video context, which allows remote attackers to cause a denial of service (segmentation violation and application crash) or possibly have unspecified other impact via crafted LucasArts Smush video data.

Frequently asked questions

What is CVE-2015-6822?: The destroy_buffers function in libavcodec/sanm.c in FFmpeg before 2.7.2 does not properly maintain height and width values in the video context, which allows remote attackers to cause a denial of service (segmentation violation and application crash) or possibly have unspecified other impact via crafted LucasArts Smush video data.
How severe is CVE-2015-6822?: CVE-2015-6822 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-6822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6822?: CVE-2015-6822 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-6822 published?: CVE-2015-6822 was published on 2015-09-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*

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CVE-2012-2804 — Critical (CVSS 10.0): Unspecified vulnerability in libavcodec/indeo3.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unknown impact…

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